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Finding the Fourth Proportional to 17,799, 26,700.66 and 5,487

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Solution

The fourth proportional to 17,799, 26,700.66 and 5,487 is: 8,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799 : 26,700.66 = 5,487 : x
  2. Step 2: Convert to fraction form
    17,799/26,700.66 = 5,487/x
  3. Step 3: Cross multiply
    17,799x = 26,700.66 × 5,487
  4. Step 4: Simplify right side
    17,799x = 146,506,521.42
  5. Step 5: Solve for x
    x = 146,506,521.42/17,799
  6. Step 6: Final answer
    x = 8,231.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.